<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">登录</h3>
      <el-form-item prop="userName">
        <el-input
          v-model="loginForm.userName"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon
            slot="prefix"
            icon-class="user"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="captcha">
        <el-input
          v-model="loginForm.captcha"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="validCode"
            class="el-input__icon input-icon"
          />
        </el-input>
        <div class="login-captcha" v-html="codeHtml" @click="getCode"></div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;"
        >记住密码</el-checkbox
      >
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <div class="footer">
      <span>本网站由</span>
      <a
        class="upyun"
        href="https://www.upyun.com/?utm_source=lianmeng&utm_medium=referral"
      >
        <img src="./又拍云_logo6.png" />
      </a>
      <span>提供CDN加速/云存储服务</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from '@/api/admin/login'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: 'Login',
  data () {
    return {
      codeHtml: '',
      cookiePassword: '',
      loginForm: {
        userName: 'admin',
        password: '123456',
        rememberMe: false,
        captcha: '',
        uuid: ''
      },
      loginRules: {
        userName: [
          { required: true, trigger: 'blur', message: '用户名不能为空' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '密码不能为空' }
        ],
        captcha: [
          { required: true, trigger: 'change', message: '验证码不能为空' }
        ]
      },
      loading: false,
      redirect: undefined
    }
  },
  created () {
    this.getCode()
    this.getCookie()
  },
  methods: {
    getCode () {
      getCodeImg().then(res => {
        this.codeHtml = res
      })
    },
    getCookie () {
      const userName = Cookies.get('userName')
      const password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        userName: userName === undefined ? this.loginForm.userName : userName,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin () {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('userName', this.loginForm.userName, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), {
              expires: 30
            })
            Cookies.set('rememberMe', this.loginForm.rememberMe, {
              expires: 30
            })
          } else {
            Cookies.remove('userName')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.loginForm.userName = this.loginForm.userName.trim()
          this.$store
            .dispatch('Login', this.loginForm)
            .then(() => {
              this.loading = false
              this.$router.push({
                path: '/layout/home'
              })
            })
            .catch(() => {
              this.loading = false
              this.getCode()
            })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  align-items: center;
  height: 100%;
  background-size: cover;
  box-sizing: border-box;
  justify-content: flex-end;
  background-image: url("../../../static/images/login-bg.jpg");
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  margin-right: 150px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-captcha {
  width: 33%;
  height: 38px;
  float: right;
  box-sizing: border-box;
  border: 1px solid #bebebe;
  svg {
    cursor: pointer;
    vertical-align: middle;
    height: 100%;
    width: 100%;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 5px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  a {
    height: 30px;
    img {
      height: 30px;
    }
  }
  span {
    font-size: 16px;
    color: #ffffff;
    height: 30px;
    line-height: 30px;
  }
}
</style>
